File path: /apache-ant-1.7.0/src/org/apache/tools/ant/taskdefs/Checksum.java | File path: /apache-ant-1.7.0/src/org/apache/tools/ant/types/selectors/modifiedselector/DigestAlgorithm.java | |||
Method name: boolean generateChecksums()
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Method name: String getValue(File)
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Number of AST nodes: 7 | Number of AST nodes: 7 | |||
1 | fis = new FileInputStream(src);↵ | 1 | fis = new FileInputStream(file);↵ | |
2 | DigestInputStream dis = new DigestInputStream(fis,↵ | 2 | DigestInputStream dis = new DigestInputStream(fis,↵ | |
3 | messageDigest);↵ | 3 | messageDigest);↵ | |
4 | while (dis.read(buf, 0, readBufferSize) != -1) {↵ | 4 | while (dis.read(buf, 0, readBufferSize) != -1) {↵ | |
5 | // Empty statement↵ | 5 | // do nothing↵ | |
6 | }↵ | 6 | }↵ | |
7 | dis.close();↵ | 7 | dis.close();↵ | |
8 | fis.close();↵ | 8 | fis.close();↵ | |
9 | fis = null;↵ | 9 | fis = null;↵ | |
10 | byte[] fileDigest = messageDigest.digest (); | 10 | byte[] fileDigest = messageDigest.digest(); | |
See real code fragment | See real code fragment |
Number of common nesting structure subtrees | 1 |
Number of refactorable cases | 0 |
Number of non-refactorable cases | 1 |
Time elapsed for finding largest common nesting structure subtrees (ms) | 0.8 |
Clones location | Clones are in different classes |
Number of node comparisons | 29 |
Number of mapped statements | 6 |
Number of unmapped statements in the first code fragment | 1 |
Number of unmapped statements in the second code fragment | 1 |
Time elapsed for statement mapping (ms) | 6.1 |
Clone type | Type 2 |
ID | Statement | ID | Statement | |||||||||||
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11 | fis = new FileInputStream(src); |
| 10 | fis = new FileInputStream(file); | ||||||||||
12 | DigestInputStream dis = new DigestInputStream(fis, messageDigest); | 11 | DigestInputStream dis = new DigestInputStream(fis, messageDigest); | |||||||||||
13 | while (dis.read(buf, 0, readBufferSize) != -1) | 12 | while (dis.read(buf, 0, readBufferSize) != -1) | |||||||||||
14 | dis.close(); | 13 | dis.close(); | |||||||||||
15 | fis.close(); | 14 | fis.close(); | |||||||||||
16 | fis = null; | 15 | fis = null; | |||||||||||
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| 16 | byte[] fileDigest = messageDigest.digest(); | |||||||||||
17 | byte[] fileDigest = messageDigest.digest(); |
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Row | Violation |
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1 | Unmatched statement byte[] fileDigest=messageDigest.digest(); cannot be moved before the extracted code, because it has control dependencies from statements that will be extracted |
2 | Unmatched statement byte[] fileDigest=messageDigest.digest(); cannot be moved before or after the extracted code, because it has dependencies to/from statements that will be extracted |
3 | Clone fragment #1 returns variables fis, fileDigest , while Clone fragment #2 returns variables fileDigest |
4 | The refactoring of the clones is infeasible, because classes org.apache.tools.ant.taskdefs.Checksum and org.apache.tools.ant.types.selectors.modifiedselector.DigestAlgorithm do not have a common superclass |